.header
  height: 44px;
  line-height: 44px;
  min-width: 240px;
  background: #1ba9ba;
  color: #fff;
  font-size: 18px;
  text-align: center;
  position: relative;
  padding: 0 15px;
  .header-back
    position: absolute;
    left: 0;
    width: 42px;
    height: 42px;
  .header-title
    max-width: 216px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    font-size: 100%;
    margin: 0;

